Lifting device for tobacco floating seedling raising

Abstract

The utility model discloses a lifting device for tobacco floating seedling raising, which belongs to the technical field of tobacco floating seedling raising equipment and comprises a supporting main frame used for placing floating seedling raising plates, a plurality of supporting strips are arranged on the supporting main frame and divide the supporting main frame into a plurality of supporting frames, and a plurality of guiding supporting strips are rotatably connected to two sides of the supporting main frame. One end of the nursery pond in the length direction is provided with a group of winches with steel ropes, the other ends of the steel ropes penetrate through holes in the screws and are fixedly connected with the guide supporting strips through bolts, and the two winches are connected with a speed reducer after being connected through a rotating shaft; the lifting height of the supporting main frame is adjusted by rotating the winch, and the problems that in tobacco floating seedling raising in the prior art, tobacco root systems on floating seedling raising plates in a nutrient solution pool are in an oxygen deficit state for a long time, tobacco seedling root systems are poor in development, and cultivation of strong tobacco seedlings is very unfavorable are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tobacco floating seedling device technical field, concretely relates to a kind of lifting device for tobacco floating seedling. BACKGROUND

[0002] Tobacco floating seedling technology adopts water culture mode, compared with traditional soil culture mode, avoid the risk of soil-borne disease. At present, the method of tobacco floating seedling is generally to use light material with small density as floating seedling tray, which can float on nutrient solution, place tobacco seedling in the hole on floating seedling tray, and use floating seedling tray to assist fixing tobacco seedling. It is found in use that when cultivating for a period of time, the root system of tobacco seedling grows out, is completely immersed in seedling nutrient solution, is limited by air circulation of seedling pool, causes tobacco root system to be in anoxic state for a long time, and tobacco seedling root system is poorly developed, which is very unfavorable for cultivating tobacco seedling. The root system of tobacco seedling is in seedling nutrient solution for a long time, and low temperature is also not conducive to the growth of seedling. SUMMARY

[0003] The utility model aims at solving the problem that tobacco root system on floating seedling tray in nutrient solution pool is in anoxic state for a long time in the prior art, which causes tobacco seedling root system to be poorly developed and is very unfavorable for cultivating tobacco seedling.

[0004] In order to achieve the above-mentioned purposes, the technical scheme of the utility model is as follows:

[0005] A kind of lifting device for tobacco floating seedling, including the support mainframe for placing floating seedling tray, support mainframe is equipped with several support bars, support bar will support mainframe be divided into several support frame, the both sides of support mainframe are rotationally connected several guide support bars by bearing assembly I, the other end of guide support bar is rotationally connected on the inner wall of seedling pool by bearing assembly II, the inside of guide support bar is equipped with screw, hole is formed in screw;One end of the length direction of seedling pool is equipped with a group of winches with steel rope, two winches are arranged at the both ends of seedling pool, the other end of steel rope passes through the hole in screw and is connected and fixed with guide support bar by bolt, two winches are connected by rotating shaft and are connected with speed reducer, the other end of speed reducer is connected hand crank or power mechanism, the lifting height of support mainframe is adjusted by rotating winch.

[0006] Further, the bearing assembly I includes shaft I and bearing I.

[0007] Further, the bearing assembly II includes shaft II, bearing II and limit block.

[0008] Further, the limit block is V-shaped limit block, and the limit block is used to limit the rotation angle of the guide support bar.

[0009] Further, the low end of the limiting block away from the shaft II is slightly higher than the tail of the limiting block, and the rotation angle of the guide strut is less than 90°.

[0010] Further, the screw is installed at the middle upper part of the inner side of the guide strut.

[0011] Further, the support frame is provided with a limiting frame for fixing the floating seedling tray, and the bottom of the limiting frame is provided with a bottom support.

[0012] Further, the bottom of the support main frame is provided with a temperature sensor.

[0013] The beneficial effects of the utility model are as follows:

[0014] I. In the utility model, a novel structure tobacco floating seedling lifting device is provided, the hand crank or external power mechanism of the lifting device is rotated, the winch is tightened or loosened, and the lifting height of the support main frame is adjusted.

[0015] II. In the utility model, the bearing assembly I comprises a shaft I and a bearing I, the bearing assembly II comprises a shaft II, a bearing II and a limiting block, and the bearing assembly I and the bearing assembly II are used for conveniently lifting and lowering the support frame in the lifting device.

[0016] III. In the utility model, a V-shaped limiting block with an optimized structure is provided, which is used for limiting the rotation angle of the guide strut.

[0017] Four, in the utility model, the screw is installed in the middle upper part of the inside of the guide branch, and the support frame of the lifting device is conveniently pulled up through the steel rope and the winch.

[0018] Five, in the utility model, the limiting frame for fixing the floating seedling tray is arranged on the support frame, and the bottom of the limiting frame is provided with a bottom support, and the limiting frame is particularly suitable for fixing the small floating seedling tray. When the floating seedling tray is small, the quality is generally light, and the lifting device is prone to falling or mispositioning during lifting. The limiting frame structure can fix the small floating seedling tray, so that the situation is avoided. In addition, after the limiting frame structure fixes the floating seedling tray, the degree of submerging the floating seedling tray in the nutrient solution in the seedling pool and the soaking time can be controlled, especially during the seed germination period, the seed germination and seedling growth are promoted.

[0019] Six, in the utility model, the bottom of the support main frame is provided with a temperature sensor, the temperature sensor is used for monitoring the temperature of the environment where the tobacco seedling root is located, when the temperature is too low, the temperature of the environment (floating seedling tray) where the tobacco seed / seedling is located can be adjusted by adding warm water or introducing hot air, and / or the moisture in the substrate is appropriately reduced, so that the seed germination and seedling growth are promoted. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a perspective view of the lifting device for tobacco floating seedling.

[0021] Figure 2 is Figure 1 A enlarged view of the part.

[0022] Figure 3 is a front view of the lifting device for tobacco floating seedling.

[0023] Figure 4 is Figure 3 B enlarged view of the part.

[0024] Figure 5 is a top view of the lifting device for tobacco floating seedling.

[0025] Figure 6 is Figure 5 A-A sectional view of the part.

[0026] Figure 7 is Figure 6 C enlarged view of the part.

[0027] Figure 8 is a right view of the lifting device for tobacco floating seedling.

[0028] Figure 9 is Figure 8 D enlarged view of the part.

[0029] Figure 10is a structural diagram of one embodiment of the support frame.

[0030] Figure 11 is a structural diagram of another embodiment of the support frame.

[0031] Wherein, 1, support frame; 2, support bar; 3, support frame; 4, bearing assembly I; 5, guide support; 6, bearing assembly II; 7, seedling pool; 8, screw; 9, steel rope; 10, winch; 11, rotating shaft; 12, speed reducer; 13, hand crank; 14, limiting frame; 15, temperature sensor; 16, nut; 8.1, hole; 4.1, shaft I; 4.2, bearing I; 6.1, shaft II; 6.2, bearing II; 6.3, limiting block; 14.1, bottom support; 6.3.1, low end; 6.3.2, tail; 6.3.3, high end. DETAILED DESCRIPTION

[0032] The utility model will be further described in detail below in conjunction with examples, but the embodiment of the utility model is not limited thereto.

[0033] Example 1

[0034] This embodiment is the most basic embodiment, a lifting device for tobacco floating seedling, belongs to tobacco floating seedling equipment technical field, refer to Figures 1-3 , 5, 6, 8, 9, including the support frame 1 for placing the floating seedling tray, the support frame 1 is equipped with a plurality of support bars 2, the support bar 2 divides the support frame 1 into a plurality of support frames 3, the two sides of the support frame 1 are rotatably connected to a plurality of guide supports 5 through bearing assembly I 4, the other end of the guide support 5 is rotatably connected to the inner wall of the seedling pool 7 through bearing assembly II 6, the inside of the guide support 5 is installed with screw 8, the hole 8.1 is formed in the screw 8; one end of the length direction of the seedling pool 7 is equipped with a group of winches 10 with steel ropes 9, two winches 10 are arranged at the two ends of the seedling pool 7, the other end of the steel rope 9 passes through the hole 8.1 in the screw 8 and is connected and fixed with the guide support 5 through bolt, two winches 10 are connected through rotating shaft 11 and are connected with speed reducer 12, the other end of the speed reducer 12 is connected with hand crank 13, the lifting height of the support frame 1 is adjusted by rotating the winch 10.

[0035] In this embodiment, the plurality of support frames 3 formed by the support frame 1 and the support bar 2 can be used to support / hold the floating seedling tray, the steel rope 9 on the winch 10 passes through the hole 8.1 in the screw 8 on the same side guide support 5 in turn, and is fixed by nut 16. The winch 10 can be rotated by the hand crank 13 (or external power mechanism) of the lifting device. The lifting height of the support frame 1 is adjusted by tightening or loosening the steel rope 9.

[0036] The floating seedling tray is placed above the whole supporting frame 3, and the floating seedling tray is raised or lowered by raising and lowering the supporting frame 3, and when the supporting frame 3 is raised to the topmost position, the floating seedling tray (including most of the roots of the tobacco seedlings) is away from the upper surface of the nutrient solution of the seedling pool 7; when the supporting frame 3 is lowered to the bottommost position, the bottom of the floating seedling tray can contact the nutrient solution.

[0037] The tobacco floating seedling lifting device can lift the floating seedling tray when the temperature is low, reduce the soaking time, be beneficial to the growth of plant roots, improve the stress resistance and survival rate of tobacco seedlings after transplanting.

[0038] Embodiment 2

[0039] Compared with embodiment 1, the difference of the present embodiment is that the bearing assembly I 4 includes a shaft I 4.1 and a bearing I 4.2, and the shaft I 4.1 is connected with the bearing I 4.2, and the bearing I 4.2 is connected with the supporting frame 3, and the shaft I 4.1 is connected with the supporting frame 3 through the bearing I 4.2. Figure 3 、 4 .

[0040] Preferably, the bearing assembly II 6 includes a shaft II 6.1, a bearing II 6.2 and a limiting block 6.3, and the shaft II 6.1 is connected with the bearing II 6.2, and the bearing II 6.2 is connected with the supporting frame 3, and the shaft II 6.1 is connected with the supporting frame 3 through the bearing II 6.2. Figures 5-7 .

[0041] Embodiment 3

[0042] Compared with embodiment 2, the difference of the present embodiment is that the limiting block 6.3 is a V-shaped limiting block 6.3, and the limiting block 6.3 is used to limit the rotation angle of the guide strut 5, and the low end 6.3.1 of the limiting block 6.3 away from the shaft II 6.1 is slightly higher than the tail 6.3.2 of the limiting block 6.3. Figure 7 .

[0043] Embodiment 4

[0044] Compared with embodiment 3, the difference of the present embodiment is that the low end 6.3.1 of the limiting block 6.3 away from the shaft II 6.1 is slightly higher than the tail 6.3.2 of the limiting block 6.3, and the rotation angle of the guide strut 5 is less than 90°. Figure 7 .

[0045] That is, when the whole lifting device is lowered, the whole device cannot be completely in a horizontal position, and the low end 6.3.1 of the limiting block 6.3 away from the shaft II 6.1 needs to be slightly higher than the tail 6.3.2 of the limiting block 6.3, and at the same time, during the process of raising the whole device to the highest position, the guide strut 5 cannot be in a completely vertical position (that is, the high end 6.3.3 of the limiting block 6.3 away from the shaft II 6.1 is always slightly lower than the high end 6.3.3 of the limiting block 6.3 in a completely vertical position of the guide strut 5). Such a structural design, on the one hand, is convenient for adjusting the height of the supporting frame 3, and on the other hand, can make the guide strut 5 and the connected structural members bear force uniformly, avoid damage to the structural members due to uneven force, and prolong the service life of the lifting device.

[0046] Embodiment 5

[0047] The difference between this embodiment and embodiments 1-4 is that the screw 8 is installed in the upper middle part of the inner side of the guide bar 5.

[0048] Example 6

[0049] Compared with embodiments 1-5, the difference in this embodiment is that the support frame 3 is provided with a limiting frame 14 for fixing the floating seedling tray, and the bottom of the limiting frame 14 is provided with a base 14.1. Referring to 10 and 11, the limiting frame 14 can be configured into various structures according to needs. Its main purpose is to place and fix the floating seedling tray, especially small floating seedling trays.

[0050] Example 7

[0051] Compared with embodiments 1-6, the difference in this embodiment is that a temperature sensor 15 is provided at the bottom of the main support frame 1, for reference. Figure 1 The temperature sensor 15 is used to monitor the temperature of the environment where the roots of tobacco seeds / seedlings are located. When the temperature is too low, the temperature of the environment (floating seedling tray) where the tobacco seeds / seedlings are located can be adjusted by adding warm water or introducing hot air, and / or the moisture in the substrate can be appropriately reduced to promote seed germination and seedling growth.

[0052] In practical applications, photoelectric alarms can be set up according to the site conditions. The photoelectric alarm can be connected to the temperature sensor 15 for control. When the temperature is lower than the preset value, the photoelectric alarm will issue an alarm signal to prompt the staff to take countermeasures.

[0053] Example 8

[0054] To facilitate public understanding of this utility model, this embodiment takes a preferred tobacco floating seedling support device as an example to further illustrate the solution. In this embodiment, the seedling pool 7 is about 10m long and about 1.2m wide.

[0055] A lifting device for floating tobacco seedling cultivation, reference Figures 1-9 This invention belongs to the technical field of tobacco floating seedling raising equipment, and includes a main support frame 1 for placing floating seedling trays. The main support frame 1 is provided with 10 support bars 2, which divide the main support frame 1 into 9 support frames 3. In this embodiment, the main support frame 1, support bars 2, and other structures are preferably made of stainless steel.

[0056] The two sides of the support frame 1 are rotatably connected with a plurality of guide bars 5 through bearing assembly I 4, the other end of the guide bar 5 is rotatably connected to the inner wall of the seedling tank 7 through bearing assembly II 6, the inner side of the guide bar 5 is provided with a screw 8, and a hole 8.1 is formed in the screw 8; one end of the length direction of the seedling tank 7 is provided with a group of winches 10 with steel ropes 9, two winches 10 are arranged at the two ends of the seedling tank 7, the other end of the steel rope 9 passes through the hole 8.1 of the screw 8 and is connected and fixed with the guide bar 5 through a bolt, the two winches 10 are connected through the rotating shaft 11 and are connected with the speed reducer 12, the other end of the speed reducer 12 is connected with the hand crank 13, and the lifting height of the support frame 1 is adjusted by rotating the winch 10.

[0057] In the embodiment, the bearing assembly I 4 includes a shaft I 4.1 and a bearing I 4.2; the bearing assembly II 6 includes a shaft II 6.1, a bearing II 6.2 and a limiting block 6.3.

[0058] In the embodiment, the limiting block 6.3 is a V-shaped limiting block, and the limiting block 6.3 is used to limit the rotation angle of the guide bar 5.

[0059] In the embodiment, the low end 6.3.1 of the limiting block 6.3 away from the shaft II 6.1 is slightly higher than the tail 6.3.2 of the limiting block 6.3, and the rotation angle of the guide bar 5 is less than 90°.

[0060] In the embodiment, the screw 8 is installed in the middle upper part of the inner side of the guide bar 5.

[0061] In the embodiment, the support frame 3 is provided with a limiting frame 14 for fixing the floating seedling tray, the bottom of the limiting frame 14 is provided with a bottom support 14.1, and the bottom support 14.1 is used to support the floating seedling tray. Figure 10 .

[0062] In the embodiment, the bottom of the support frame 1 is provided with a temperature sensor 15, the temperature sensor 15 is used to monitor the temperature of the environment where the tobacco seeds / tobacco seedlings are located, when the temperature is too low, the temperature of the environment (floating seedling tray) where the tobacco seeds / seedlings are located can be adjusted by adding warm water or blowing hot air, and / or appropriately reducing the moisture in the substrate, to promote seed germination and seedling growth.

Claims

1. A lifting device for tobacco floating seedlings, characterized by: The application relates to a floating seedling raising device, which comprises a supporting main frame (1) for placing floating seedling raising trays, a plurality of supporting strips (2) arranged on the supporting main frame (1) and dividing the supporting main frame (1) into a plurality of supporting frames (3), both sides of the supporting main frame (1) are rotationally connected with a plurality of guide supporting strips (5) through bearing assemblies I (4), the other ends of the guide supporting strips (5) are rotationally connected with the inner walls of seedling raising pools (7) through bearing assemblies II (6), the inner sides of the guide supporting strips (5) are provided with screws (8), and holes (8.1) are formed in the screws (8); one end of the seedling raising pool (7) in the length direction is provided with a group of winches (10) with steel ropes (9), two winches (10) are arranged at the two ends of the seedling raising pool (7), the other ends of the steel ropes (9) pass through the holes (8.1) in the screws (8) and are connected and fixed with the guide supporting strips (5) through bolts, the two winches (10) are connected through rotating shafts (11) and are connected with reducers (12), the other end of the reducer (12) is connected with a hand crank (13) or a power mechanism, and the lifting height of the supporting main frame (1) is adjusted by rotating the winches (10).

2. The lifting device for tobacco floating seedling according to claim 1, characterized in that: The bearing assembly I (4) comprises a shaft I (4.1) and a bearing I (4.2).

3. The lifting device for tobacco floating seedling according to claim 1, characterized in that: The bearing assembly II (6) comprises a shaft II (6.1), a bearing II (6.2) and a limiting block (6.3).

4. The lifting device for tobacco floating seedling according to claim 3, characterized in that: The limiting block (6.3) is a V-shaped limiting block, and the limiting block (6.3) is used for limiting the rotating angle of the guide supporting strip (5).

5. The lifting device for tobacco floating seedling according to claim 4, characterized in that: The low end part (6.3.1) of the limiting block (6.3) far away from the shaft II (6.1) is slightly higher than the tail part (6.3.2) of the limiting block (6.3), and the rotating angle of the guide supporting strip (5) is less than 90 degrees.

6. The lifting device for tobacco floating seedling according to claim 1, characterized in that: The screw (8) is arranged at the middle upper part of the inner side of the guide supporting strip (5).

7. The lifting device for tobacco floating seedling according to claim 1, characterized in that: The supporting frame (3) is provided with a limiting frame (14) for fixing the floating seedling raising tray, and the bottom of the limiting frame (14) is provided with a bottom support (14.1).

8. The lifting device for tobacco floating seedling according to claim 1, characterized in that: The bottom of the supporting main frame (1) is provided with a temperature sensor (15).

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